This patch introduces a PCI DMA API and some generic code to support other DMA
APIs. It introduces a IOVector type that contains physical address/length
pairs. These vectors can be translated by the PCI layer and passed either to
generic copying functions or directly to the block or network
Anthony Liguori wrote:
This patch introduces a PCI DMA API and some generic code to support other DMA
APIs. Two types are introduced: PhysIOVector and IOVector. A DMA API
maps a PhysIOVector, which is composed of target_phys_addr_t, into an
IOVector,
which is composed of void *.
This
Avi Kivity wrote:
Anthony Liguori wrote:
This patch introduces a PCI DMA API and some generic code to support
other DMA
APIs. Two types are introduced: PhysIOVector and IOVector. A DMA API
maps a PhysIOVector, which is composed of target_phys_addr_t, into an
IOVector,
which is composed
This patch introduces a PCI DMA API and some generic code to support other DMA
APIs. Two types are introduced: PhysIOVector and IOVector. A DMA API
maps a PhysIOVector, which is composed of target_phys_addr_t, into an IOVector,
which is composed of void *.
This enables zero-copy IO to be
